24223009 has 2 divisors, whose sum is σ = 24223010. Its totient is φ = 24223008.

The previous prime is 24223007. The next prime is 24223051. The reversal of 24223009 is 90032242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20223009 + 4000000 = 4497^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 24223009 - 2¹ = 24223007 is a prime.

Together with 24223007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (24223007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12111504 + 12111505.

It is an arithmetic number, because the mean of its divisors is an integer number (12111505).

Almost surely, 2^24223009 is an apocalyptic number.

It is an amenable number.

24223009 is a deficient number, since it is larger than the sum of its proper divisors (1).

24223009 is an equidigital number, since it uses as much as digits as its factorization.

24223009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 24223009 is about 4921.6876170680. The cubic root of 24223009 is about 289.3405905374.

The spelling of 24223009 in words is "twenty-four million, two hundred twenty-three thousand, nine".